whats the ideal keyword density the site or blog should have?Is there anytool to check the keyword density in a site or blog?
I don't concern myself with it as much, just ensure you have lots of content relevant to the words around each keyword. You will do fine with it.
I use this tool. http://www.seochat.com/seo-tools/keyword-density/ Remember...Keyword density is only one part of the puzzel. I research my compititors to find what keyword density % to shoot for. Combind the above with what gotlinks said and you will do well